19946895

素因数分解:

$3^1\times 5^1\times {\mathrm{919}}^1\times {\mathrm{1447}}^1$

素因数の和:2374

約数の個数: 16

約数和(自身を含む): 31971840

約数和(自身を除く): 12024945

約数列:

[1, 3, 5, 15, 919, 1447, 2757, 4341, 4595, 7235, 13785, 21705, 1329793, 3989379, 6648965, 19946895]

約数ペア:

[(1, 19946895), (3, 6648965), (5, 3989379), (15, 1329793), (919, 21705), (1447, 13785), (2757, 7235), (4341, 4595)]